问答题

Asymmetricandsymmetricciphersdifferinwhichofthefollowingway（s）？（）

A.Asymmetricciphersusepre-sharedkeys
B.Symmetricciphersarefastertocompute
C.Asymmetricciphersarefastertocompute
D.Asymmetricciphersusepublicandprivate

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单项选择题

设备尽量安装在()内，安装位置应便于调测、维护和散热需要

A.馈线走线的线井内
B.人不易接触到的位置
C.闷热狭小的空间内
D.电梯机房内

问答题

WhichofthefollowingcharacteristicsarecommontobothRIPv2andRIPng？（Chooseallthatapply.）（）

A.Link-localaddressusedfornext-hopaddresses
B.InterfacecanbeaddedtoRIProutingprocessineitherinterfaceconfigurationmodeorinrouterconfigurationmode
C.Usesamulticasttosendroutingupdates
D.Usehopcountasametric
E.Distance-vectorroutingprotocol
F.Maximumhopcountis15with16being"unreachable"